diff --git a/frontend/src/main.js b/frontend/src/main.js
index 9dfee25..f4ce6c2 100644
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@@ -573,9 +573,10 @@ window.handleContextMenu = async (action) => {
             const item = selectedItems[0];
             const newName = prompt(`Enter new name for ${item.name}:`, item.name);
             if (newName && newName !== item.name) {
-                const pathParts = item.path.split('/');
+                const sep = item.path.includes('\\') ? '\\' : '/';
+                const pathParts = item.path.split(/[/\\]/);
                 pathParts[pathParts.length - 1] = newName;
-                const newPath = pathParts.join('/');
+                const newPath = pathParts.join(sep);
 
                 await Rename(currentConn, item.path, newPath);
                 refreshCurrentDir();
@@ -595,9 +596,18 @@ window.handleContextMenu = async (action) => {
 
 window.navigateUp = () => {
     if (!currentPath || currentPath === '/') return;
-    const parts = currentPath.split('/').filter(p => p);
+    const startsWithSlash = currentPath.startsWith('/');
+    const sep = currentPath.includes('\\') ? '\\' : '/';
+    const parts = currentPath.split(/[/\\]/).filter(p => p);
     parts.pop();
-    currentPath = parts.length ? '/' + parts.join('/') : '';
+    if (parts.length === 0) {
+        currentPath = '';
+    } else {
+        currentPath = (startsWithSlash ? '/' : '') + parts.join(sep);
+        if (!startsWithSlash && parts.length === 1 && parts[0].endsWith(':')) {
+            currentPath += sep;
+        }
+    }
     loadDirectory(currentConn, currentPath);
 };
 
@@ -641,9 +651,18 @@ window.loadTransferDestDirectory = async (connId, path) => {
             tr.innerHTML = `<td>📁 ..</td>`;
             tr.style.cursor = 'pointer';
             tr.ondblclick = () => {
-                const parts = path.split('/').filter(p => p);
+                const startsWithSlash = path.startsWith('/');
+                const sep = path.includes('\\') ? '\\' : '/';
+                const parts = path.split(/[/\\]/).filter(p => p);
                 parts.pop();
-                loadTransferDestDirectory(connId, parts.length ? '/' + parts.join('/') : '');
+                let newPath = '';
+                if (parts.length > 0) {
+                    newPath = (startsWithSlash ? '/' : '') + parts.join(sep);
+                    if (!startsWithSlash && parts.length === 1 && parts[0].endsWith(':')) {
+                        newPath += sep;
+                    }
+                }
+                loadTransferDestDirectory(connId, newPath);
             };
             tbody.appendChild(tr);
         }
diff --git a/internal/protocols/s3/s3.go b/internal/protocols/s3/s3.go
index cbded41..3bcd7e2 100644
--- a/internal/protocols/s3/s3.go
+++ b/internal/protocols/s3/s3.go
@@ -12,6 +12,7 @@ import (
 	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/credentials"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/aws/aws-sdk-go-v2/service/s3/types"
 	appcfg "goexplore/internal/config"
 	"goexplore/internal/explorer"
 )
@@ -243,11 +244,61 @@ func (e *S3Explorer) Delete(path string) error {
 		return err
 	}
 	
+	// Try to delete the exact object (might be a file or a folder marker)
 	_, err = e.client.DeleteObject(context.TODO(), &s3.DeleteObjectInput{
 		Bucket: aws.String(bucket),
 		Key:    aws.String(subpath),
 	})
-	return err
+	if err != nil {
+		// Ignore error; it might just be a prefix with no exact marker
+	}
+
+	// Also treat subpath as a folder prefix and delete all matching objects
+	prefix := subpath
+	if !strings.HasSuffix(prefix, "/") {
+		prefix += "/"
+	}
+
+	var continuationToken *string
+	for {
+		listInput := &s3.ListObjectsV2Input{
+			Bucket:            aws.String(bucket),
+			Prefix:            aws.String(prefix),
+			ContinuationToken: continuationToken,
+		}
+		listOutput, err := e.client.ListObjectsV2(context.TODO(), listInput)
+		if err != nil {
+			return err
+		}
+
+		if len(listOutput.Contents) > 0 {
+			var objectsToDelete []types.ObjectIdentifier
+			for _, obj := range listOutput.Contents {
+				objectsToDelete = append(objectsToDelete, types.ObjectIdentifier{
+					Key: obj.Key,
+				})
+			}
+
+			_, err = e.client.DeleteObjects(context.TODO(), &s3.DeleteObjectsInput{
+				Bucket: aws.String(bucket),
+				Delete: &types.Delete{
+					Objects: objectsToDelete,
+					Quiet:   aws.Bool(true),
+				},
+			})
+			if err != nil {
+				return err
+			}
+		}
+
+		if listOutput.IsTruncated != nil && *listOutput.IsTruncated {
+			continuationToken = listOutput.NextContinuationToken
+		} else {
+			break
+		}
+	}
+	
+	return nil
 }
 
 func (e *S3Explorer) Rename(src, dst string) error {